Three time dimensions, one space dimension: Relativity of superluminal observers in 1+3 spacetime
Published Date: 12/22/2022
Source: phys.org
How would our world be viewed by observers moving faster than light in a vacuum? Such a picture would be clearly different from what we encounter every day. "We should expect to see not only phenomena that happen spontaneously, without a deterministic cause, but also particles traveling simultaneously along multiple paths," argue theorists from universities in Warsaw and Oxford.